Remote Up / Down Function Does Not Operate

WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: Remote Up / Down Function does not Operate
- Remote Up / Down Function does not Operate

DESCRIPTION

When the ignition switch is ON, the power window regulator master switch assembly sends remote up/ down signals to each power window regulator motor assembly via the LIN communication line.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
The power window control system uses a multiplex communication system (LIN communication system). Inspect the communication function by following How to Proceed with Troubleshooting How To Proceed With Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.

PROCEDURE

1. READ VALUE USING TECHSTREAM (Main Body)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body (Main Body ECU (Instrument Panel J/B))





OK:

On the Techstream screen, OK is displayed.

NG -- GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting) Initial Inspection and Diagnostic Overview
OK -- Continue to next step.

2. READ VALUE USING TECHSTREAM (Master Switch)

(a) Enter the following menus: Body Electrical / Master Switch / Data List.

(b) Read the Data List according to the display on the Techstream.

Master Switch (Power Window Regulator Master Switch Assembly)





OK:

On the Techstream screen, ON or OFF is displayed accordingly.

Result:





D -- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side) Removal

C -- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side) Removal

B -- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) Removal

A -- REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY